an evaluation of the load-displacement behavior and load test interpretation of micropiles in rock...

8/3/2019 An Evaluation of the Load-Displacement Behavior and Load Test Interpretation of Micropiles in Rock by Andrew Cus…

http://slidepdf.com/reader/full/an-evaluation-of-the-load-displacement-behavior-and-load-test-interpretation 1/7

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138

$gduy!S$dlia`y! NB

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969

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^cob` 9, V`r~dicb Ijmur`yydjl Ndyubci`m`l~y !σNB$ jf Mdirjudb`y dl _jig c~ ~a` _ùjr~`n Xjrgdlh !N`ydhl$ Bjcn

!SNB$

Udb` DNSNB

!gduy$σNB

!dl,$Udb` DN

SNB

!gduy$σNB

!dl,$

YI-3 380 5,980 DB-3 ?55 5,>01

YI-? 380 5,>94 IA-3 955 5,?>?

II-3 305 5,?04 Û-O?? ?85 5,?6>

II-? 305 5,?>4 Û-I?8 ?85 5,?>1

II-9 305 5,310 DB-? 055 5,?40

B_-3 305 5,3?9 DB-9 >55 5,116

?34-3 316 5,055 DB-> 055 5,??6?34-? 316 5,394 XX-9 955 5,?45

?34-9 316 5,?4> XX-> 955 5,385

99-3c ?55 5,?31 XX-0 955 5,385

99-3o ?55 5,363 XX-6 955 5,?05

99-? ?55 5,339 XX-8 955 5,09?

99-9 ?55 5,318 XX-1 955 5,1?8

MFQ-3 >55 5,?95 XX-4 955 5,?05

MFQ-? >55 5,??1 FF-3!3$

33? 5,565

MFQ-9 >55 5,?3> FF-?!3$

44 5,399

MFQ-> >55 5,963 FF-9!3$

84 5,500

FU-3c 380 5,98? FF->!3$

45 5,513

FU-3o 380 5,?48 FF-0!3$

44 5,350

FU-? 380 5,?69 FF-6!3$ 44 5,??5

FU-9 380 5,?9> FF-8!3$

11 5,56>

FU-> 380 5,>5? FF-1!3$

390 5,5>5

G-35-C 345 5,?>5 FF-4!3$

84 5,546

K,3-4-C 345 5,?>5 FF-35!3$

390 5,598

G-6-C 345 5,>?5 FF-33!3$

45 5,541

B-4-C 345 5,905 FF-3?!3$

351 5,358

D-3 3?3 5,599 FF-39!3$

351 5,393

!3$„xxx,fjln`ndb` -fjplnc~djly,b~n,pg*urjnucbdnc~c,a~mb

5

355

?55

955

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V`r~dicb Ndyubci`m`l~ c~ N`ydhl Bjcn" σNB !dl,$

P l

f c i

~ j r `

n N ` y

d h l

B j c

n "

S N B

! g d u y $

Mdirjudb`y

Nrdv`l Udb`y

Xjrgdlh Bjcn Ndyubci`m`l~y fjr

Mdirjudb`y dl _jig;

M`cl; σNB !dl,$ = SNB !gduy$ * 138

IJV = 00% l = 0>Mcq; σNB !dl,$ = SNB !gduy$ * 969

Fdh, 3, V`r~dicb Ijmur`yydjl Ndyubci`m`l~y !σ NB$ c~ ~a`

Plfci~jr`n N`ydhl !Xjrgdlh$ Bjcn !S NB$ fjr Mdirjudb`y dl

_jig

^cob` >, V`r~dicb Ijmur`yydjl Ndyubci`m`l~y !σNB$ jf Nrdv`lUdb`y O`crdlh jl _jig c~ ~a` _ùjr~`n Xjrgdlh Bjcn SNB

Udb` SNB σNB

DNBjic~djl

!gduy$ !dl,$

33!3$

Iadichj" DB 655 5,>5

30!3$

N`crojrl" MD 955 5,64

36!3$ N`crojrl" MD ?45 5,68

38!3$

Mdbxcpg``" XD 655 3,?5

31!3$

Mdbxcpg``" XD 655 3,05

9-3!?$

Bcigcxcllc" LT 3>5 5,3>

9-?!?$

Bcigcxcllc" LT ?45 5,?8

9-9!?$

@cy~ Iadichj" DL ?55 5,95

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Ucu`r Lj, 3,5? 0

Fdh, ?, Bjcn-Ndyubci`m`l~ Iprv`y fjr N`ù Fjplnc~djly

Ajx`v`r" mjy~ bjcn-ndyubci`m`l~ iprv`y ~cg` ~a` fjrm jf

Iprv` I" dl xadia lj ib`crbt n`fdl`n u`cg bjcn dy ciad`v`n,Fjr ypia icy`y" ~a` fcdbpr` bjcn dy ndffdipb~ ~j cyy`yy, Cbb jf ~a`

bjcn-ndyubci`m`l~ iprv`y fjr ~a` bjcn ~`y~y ur`y`l~`n dl ~ady

ucu`r cr` jf ~tu` I,

NFD Fcdbpr` Bjcn Ird~`rdjl

Cy ndyipyy`n ur`vdjpybt" ~a` NFD !?553$ mdirjudb` ciiù~cli`

ird~`rdc n`fdl`y ~a` fcdbpr` bjcn Sf cy ~a` ujdl~ jl ~a` bjcn-

ndyubci`m`l~ iprv` c~ xadia ~a` ybju` jf ~a` iprv` !nS*nσ$

o`hdly ~j fcbb o`bjx >5 gduy*dlia, â` cqdcb ijmur`yydjl bjcn

~`y~ nc~c ur`y`l~`n dl ^cob`y 3 cln ? dlndic~` ~ac~" c~ ~a`

mcqdmpm ~`y~ bjcn SMCQ" ~a` ymcbb`y~ vcbp` jf nS*nσ

`lijpl~`r`n xcy 3>0 gduy*dlia !Udb` YI-?$" xd~a c

ijrr`yujlndlh σMCQ jf 3,54 dlia`y, â`r`fjr`" ljl` jf ~a`

mdirjudb`y ur`y`l~`n dl ~ady ucu`r r`cia`n ~a` fcdbpr` bjcn S f "

cy n`fdl`n ot NFD !?553$,

Frjm ~a` nc~c ur`y`l~`n dl ^cob`y 3 cln ?" vcbp`y jf nS*nσ c~

~a` mcqdmpm ~`y~ bjcn SMCQ cr` ubj~~`n chcdly~ ~a`

ijrr`yujlndlh vcbp`y jf σMCQ dl Fdh, 9, â`y` nc~c dlndic~`~ac~ c r`bc~djlyadu `qdy~y o`~x``l ~a`y` ~xj ucrcm`~`ry fjr

mdirjudb`y dl rjig pln`r cqdcb ijmur`yydjl, â` m`cl

~r`lnbdl` yajxl dl Fdh, 9 dlndic~`y ~ac~ c vcbp` jf nS*nσ = >5

gduy*dlia ijrr`yujlny ~j c vcbp` jf σ = 3,19 dlia`y, Ajx`v`r"

~a` mdirjudb` xd~a ~a` bcrh`y~ vcbp` jf σMCQ ur`y`l~`n dl ~ady

ucu`r !3,14 dlia`y fjr mdirjudb` XX-1$ acy nS*nσ = 9>> < >5

gduy*dlia, Ijlydn`rdlh ~a`y` fci~y cln ~a` nc~c ur`y`l~`n dl

Fdh, 9" d~ dy r`cyjlcob` ~j cyypm` ~ac~ ~a` NFD !?553$ fcdbpr`

ird~`rdjl jf nS*nσ 2 >5 gduy*dlia ijrr`yujlny ~j cl coyjbp~`

v`r~dicb ijmur`yydjl ndyubci`m`l~ jf cuurjqdmc~`bt ?,5

dlia`y fjr mdirjudb`y dl rjig,

Df ~a` fcdbpr` bjcn dy n`fdl`n c~ c v`r~dicb ijmur`yydjl

ndyubci`m`l~ `spcb ~j ?,5 dlia`y" ~a`l ~a` ijrr`yujlndlh σNB

xdbb o` b`yy ~acl jr `spcb ~j 3,5 dlia !fjr FY = S f *SNB ≠ ?,5$,

â` cbbjxcob` ijmur`yydjl ndyubci`m`l~ c~ SNB" qur`yy`n ot

@sl, ?" mpy~ cbyj o` iaìg`n, Dl cnnd~djl" ~a` plfci~jr`n

Mdirjudb`y dl _jig;

nS*nσ !gduy*dl,$ = -60? Bl!σMCQ$ ' >9?

r?= 5,914

l = >3

LJ^@; nS*nσ !gduy*dl,$ = >5 E

M`cl; σMCQ = 3,19 dl,7

Mdl; σMCQ = 3,05 dl,

5

055

3555

3055

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9555

9055

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n S * n σ c

~ M c q

^ ` y

~ B j c

n ! g d u y

* d l

, $

Fdh, 9, nS*n σc~ S MCQ V`rypy ~a` V`r~dicb Ijmur`yydjl

Ndyubci`m`l~ c~ S MCQ !σ MCQ $ fjr Mdirjudb`y dl _jig

5

?55

>55

655

155

3555

3?55

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V`r~dicb Ndyubci`m`l~y; σNB" σMCQ !dl,$

B j c

n y ;

S N B "

S M C Q

! g d u y

$

N`ydhl !Xjrgdlh$ BjcnMcq `y~ Bjcn

Mdirjudb`y dl _jig;

Fdh, >, Ijmucrdyjl jf V`r~dicb Ijmur`yydjl Ndyubci`m`l~y c

S NB cln S MCQ fjr Mdirjudb`y dl _jig

n`ydhl bjcn SNB mpy~ lj~ `qi``n ~a` cbbjxcob` y~rpi~prcbicucid~t jf ~a` udb`,

Df ~a` bjcn ~`y~ dy ~`rmdlc~`n urdjr ~j ~a` v`r~dicb ijmur`yydjl

ndyubci`m`l~ r`ciadlh ?,5 dlia`y" ~a`l Sf yajpbn o` ~cg`l cy

SMCQ,

Cl `vcbpc~djl jf ~a` nc~c ur`y`l~`n dl ^cob`y 3 cln ?

dlndic~` ~ac~" frjm c h`j~ìaldicb u`ryuì~dv`" ~a` mcqdmpm

n`ydhl bjcn fjr mdirjudb`y dl rjig dy hjv`rl`n urdmcrdbt ot ~a`

cbbjxcob` v`r~dicb ijmur`yydjl ndyubci`m`l~ c~ SNB rc~a`r

~acl ~a` cuubdic~djl jf FY ≠ ?,5 jl Sf , âdy ijliù~ dy

`qadod~`n hrcuadicbbt dl Fdh, >" xa`r` ~a` vcbp`y jf σMCQ" fjr

~a` mjy~ ucr~" fcbb xd~adl ~a` ndyubci`m`l~ bdmd~ `qur`yy`n ot@sl, ?,

Ndyipyydjl jf J~a`r Dl~`rur`~c~djl M`~ajny

â` cp~ajry rìjhld{` ~ac~ c lpmo`r jf j~a`r bjcn ~`y

dl~`rur`~c~djl urji`npr`y `qdy~ ~j `vcbpc~` S f fjr n`ù

fjplnc~djly, â` Ncvdyyjl !348?$ urji`npr`" xadia xcy

jrdhdlcbbt n`v`bju`n fjr nrdv`l A-udb`y" dn`l~dfd y Sf cy ~a`



Ucu`r Lj, 3,5? 6

bjcn ijrr`yujlndlh ~j ~a` dl~`ryì~djl jf ~a` bjcn-

ndyubci`m`l~ iprv` xd~a ~a` `bcy~di bdl`" xadia dy ijly~rpi~`n

c~ c yu idfd`n ndyubci`m`l~ jffy`~ frjm ~a` jrdhdl c~ cl

dlibdlc~djl `spcb ~j ~a` `bcy~di ybju` !@Y$,

â` jffy`~ urjujy`n ot Ncvdyyjl !348?$ dy `spcb ~j 5,30 dlia

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nù`lny jl ~a` lc~pr` jf ~a` udb` irjyy-yì~djl, Fjr n`ù

fjplnc~djly xd~a yjbdn" idripbcr irjyy yì~djly" ~du

ndyubci`m`l~y jf 5,50O ~j 5,3O ~tudicbbt cr` r`spdr`n ~j

mjodbd{` ~a` pb~dmc~` ~du r`ydy~cli`, Fjr ~a` mdirjudb`y

ijlydn`r`n dl ~ady y~pnt" O rclh`y frjm cuurjqdmc~`bt 6 ~j 35

dlia`y, â`r`fjr`" ~a` ~du ndyubci`m`l~y r`spdr`n ~j mjodbd{`

pb~dmc~` `ln o`crdlh icl rclh` frjm 5,9 ~j 3,5 dlia, Df ~a`

`bcy~di ijmur`yydjl jf ypia udb`y dy ijlydn`r`n" ~a` ~j~cb

v`r~dicb ndyubci`m`l~ jf ~a` udb` op~~ icl `spcb jr `qi``n ?,5

dlia`y xd~ajp~ `qu`rd`lidlh fpbb h`j~ìaldicb fcdbpr`,

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Dl ~a` ybju`-~clh`l~ m`~ajn" ~a` dld~dcb ~clh`l~ ybju` !DY$ jf

~a` bjcn-ndyubci`m`l~ iprv` dy py`n rc~a`r ~acl ~a` `bcy~di

ybju` !@Y$, Ajx`v`r" @Y dy lj~ lì`yycrdbt `spcb ~j DY,

Vcbp`y jf @Y*DY frjm ~a` mdirjudb`y ur`y`l~`n dl ^cob`y 3 cln

? cr` ubj~~`n chcdly~ ~a` yb`ln`rl`yy rc~dj !N*O$ dl Fdh, 0, Cy

N*O dlir`cy`y" @Y*DY ~`lny ~j nìr`cy`, Ib`crbt" vcrdc~djl dl

@Y*DY icl acv` c ydhldfdicl~ dlfbp`li` jl ~a` dl~`rur`~`n

fcdbpr` bjcn S f ,

YPMMC_T CLN _@IJMM@LNC^DJLY

âdy ucu`r acy rùjr~`n ~a` r`ypb~y jf c y~pnt jf ~a` bjcn-

ndyubci`m`l~ oàcvdjr jf nrdbb`n cln hrjp~`n mdirjudb`y

`mo`nn`n dl jr ijly~rpi~`n jl rjig, C y`rd`y jf l`v`r-o`fjr`

rùjr~`n cqdcb ijmur`yydjl bjcn ~`y~y ijlnpi~`n jl ydlhb`

mdirjudb`y dy ur`y`l~`n cln ypoy`sp`l~bt cphm`l~`n ot bjcn

~`y~y rùjr~`n ot j~a`ry,

Cl `vcbpc~djl jf ~a` plfci~jr`n n`ydhl bjcn !SNB$ cln

ijrr`yujlndlh v`r~dicb ndyubci`m`l~ !σNB$ fjr ~a` mdirjudb`y

ndyipyy`n a`r`dl acy r`ypb~`n dl ~a` rìjmm`lnc~djl ~ac~ ~a`

cbbjxcob` v`r~dicb ijmur`yydjl ndyubci`m`l~ o` bdmd~`n ~j

SNB

!gduy$*969 fjr mdirjudb`y dl rjig,

Cl `vcbpc~djl jf ~a` fcdbpr` bjcn dl~`rur`~c~djl m`~ajn y`~

fjr~a ot ~a` N`ù Fjplnc~djly Dly~d~p~` !NFD" ?553$ xcy cbyj

ijlnpi~`n, â` nc~c ur`y`l~`n dl ~ady ucu`r yphh`y~y ~ac~ ~a`

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r`cyjlcobt o` cyyjidc~`n xd~a c ~j~cb v`r~dicb ijmur`yydjl

ndyubci`m`l~ jf cuurjqdmc~`bt ?,5 dlia`y, â` cuubdic~djl jf

c fci~jr jf ycf`~t FY = ?,5 ~j ~a` vcbp` jf Sf xdbb ~tudicbbt

r`ypb~ dl σNB 2 3,5 dlia, Ajx`v`r" ~a` rìjmm`ln`n

5

05

355

305

?55

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5,5 5,0 3,5 3,0 ?,5 ?,0 9,5 9,0@Y * DY

N

* O

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N = ^j~cb Udb` B`lh~aO = Jp~`r Ndcm`~`r jf Y~``b Icydlh

@Y = @bcy~di Ybju`

DY = Dld~dcb ^clh`l~ Ybju`

Fdh, 0, @Y*DY v`rypy N*O fjr Mdirjudb y dl _jig

bdmd~c~djl jl σNB n`yirdo`n cojv` mpy~ o` iaìg`n

dlnù`ln`l~bt, Dl cnnd~djl" ~a` n`ydhl bjcn SNB mpy~ lj

`qi``n ~a` cbbjxcob` y~rpi~prcb icucid~t jf ~a` udb`,

Df ~a` bjcn ~`y~ dy ~`rmdlc~`n urdjr ~j ~a` ndyubci`m`l~ r`ciadlh

~a` NFD !?553$ fcdbpr` bjcn ird~`rdjl" ~a`l Sf yajpbn o` ~cg`l

cy SMCQ,

Frjm c h`j~ìaldicb u`ryuì~dv`" ~a` mcqdmpm n`ydhl bjcn

fjr mdirjudb`y dl rjig dy hjv`rl`n urdmcrdbt ot ~a` cbbjxcob`

ndyubci`m`l~ c~ SNB rc~a`r ~acl ~a` cuubdic~djl jf FY ≠ ?,5 jl

Sf , âdy ijliù~ dy o`y~ `qadod~`n ot ~a` nc~c ur`y`l~`n dl

Fdh, >,

â` fdlndlhy y`~ fjr~a dl ~ady ucu`r cuubt jlbt ~j nrdbb`n cln

hrjp~`n mdirjudb`y dl rjig pln`r cqdcb ijmur`yydjl" cln cr`

yjb`bt ~ajy` jf ~a` dlndvdnpcb cp~ajry,

CIGLJXB@NHM@L^Y

â` cp~ajry xjpbn bdg` ~j rìjhld{` Kjyùa X, Ur`mj{di cln

Iardy~jua`r K, B`xdy jf N—Cuujbjldc cln Ncld`b N

Prcljxygd jf ~a` Orctmcl Ijly~rpi~djl Ijrujrc~djl fjr ~a dr

cyydy~cli` dl ~a` urùcrc~djl cln r`vd`x jf ~ady mclpyirdu~,

_@F@_@LI@Y

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Urji, Dl~`rl, Ijlf, jl Udbdlh cln N`ù Flnly, " Bjlnjl"

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Ypii`yy"” Flnly, cln Hrjpln Dmurjv`m`l~ !CYI@ HYU Lj,

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N`ù Flnly, ?55? !CYI@ HYU Lj, 336$" Vjb, DD" uu, 3591-

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Urji, 39~a

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an evaluation of the load-displacement behavior and load test interpretation of micropiles in rock...

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